Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? Tobacco Smoke, Vaping, and Asthma AAFA.org Millions of people are exposed to secondhand smoke every day. People living in multi unit housing are some of the most exposed. The only way to fully protect people from secondhand smoke at Should I Be Concerned About Secondhand Vaping? From flavor bans to secondhand aerosol exposure, there's a lot people don't realize about how vaping impacts health, policy, and safety. Flavor restrictions can change tobacco use patterns, influence black market